An unusually large bird wing in mid-Cretaceous Burmese amber
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DOI: 10.1016/j.cretres.2020.104412
Abstract: Abstract All of the bird specimens previously recovered from Burmese amber have belonged to either immature specimens, or small-bodied taxa belonging to Enantiornithes. This has led to questions about whether the size bias inherent to… read more here.
Keywords: burmese amber; large bird; bird; unusually large ... See more keywords
Selection on Phalanx Development in the Evolution of the Bird Wing
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DOI: 10.1093/molbev/msab150
Abstract: Abstract The frameshift hypothesis is a widely accepted model of bird wing evolution. This hypothesis postulates a shift in positional values, or molecular-developmental identity, that caused a change in digit phenotype. The hypothesis synthesized developmental… read more here.
Keywords: evolution; phalanx; expression; hypothesis ... See more keywords